problem creating PJC

Please help:
goal: find the URL of the document in which the applet is embedded

Attempt: Applet class and Getdocumentbase() or GetCodeBase method used in the creation of JDeveloper PJC

Problem: Compilation error wrong method - a dynamic method can be used in static context

The code as follows
package oracle.forms.fd;
import java.net.InetAddress;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.IOException;
to import java.text.ParseException;
import java.util.StringTokenizer;
import java.applet.Applet;
Import oracle.forms.ui.VBean;
Import oracle.forms.handler.IHandler;
Import oracle.forms.properties.ID;


/ public final class AppletInfos extends kifani
{
………..
…………….
………..
private final static ID DIP = ID.registerProperty ("DIP");
private final static MAC ID is ID.registerProperty ("MAC");.
………………..
………………
private String some days in Paris ="";
private String sMAC = "";
Private boolean Arnaud = false;
public void init (Manager IHandler)
{
Super.init (Handler);
try {}
Some days in Paris = Applet.getCodeBase ();
sMAC = getMacAddress();
} catch (Throwable t) {}
t.printStackTrace ();
}
}
public Object getProperty (pId No.)
{
if(PID == GETINFOS)
{
sInfos += "\nMAC address:" + sMAC.
return of sInfos;
}
else if(pId == DIP) return some days in Paris;
else if(pId == MAC) return sMAC;
Return super.getProperty (pId);
}

Private final public static String getMacAddress() throws IOException {}
The os string = System.getProperty ("os.name");
try {}
{if (OS. StartsWith ("Windows"))}
Return windowsParseMacAddress (windowsRunIpConfigCommand ());
}
else {if (os.startsWith ("Linux"))
Return linuxParseMacAddress (linuxRunIfConfigCommand ());
}
else {}
throw new IOException ("unknown operating system:" + os);
}
} catch (ParseException ex exception) {}
ex.printStackTrace ();
throw new IOException (ex.getMessage ());
}
}
/*
* Linux stuff
*/
Private final public static String linuxParseMacAddress (String ipConfigResponse) throws ParseException {
String localHost = null;
try {}
localHost = InetAddress.getLocalHost () .getHostAddress ();
} catch (exception java.net.UnknownHostException ex) {}
ex.printStackTrace ();
throw new ParseException (ex.getMessage (), 0);
}
StringTokenizer tokenize = new StringTokenizer (ipConfigResponse, "\n");
String lastMacAddress = null;
{while (tokenizer.hasMoreTokens ())}
String line = tokenizer.nextToken (.trim ());
Boolean containsLocalHost = line.indexOf (localHost) > = 0;
If the line contains the IP address
If (containsLocalHost & & lastMacAddress! = null) {}
Return lastMacAddress;
}
If the line contains the MAC address
int macAddressPosition = line.indexOf ("HWaddr");
If (macAddressPosition < = 0) Then continues
String macAddressCandidate = line.substring (macAddressPosition + 6) .trim ();
{if (linuxIsMacAddress (macAddressCandidate))}
lastMacAddress = macAddressCandidate;
continue;
}
}
ParseException ex = new ParseException
("cannot read the MAC address for" + localHost + "from [" + ipConfigResponse + ""] ", 0");
ex.printStackTrace ();
throw ex;
}
{private static final boolean linuxIsMacAddress (String macAddressCandidate)
TODO: use a smart regular expression
If (macAddressCandidate.length ()! = 17) return false;
Returns true;
}
Private final public static String linuxRunIfConfigCommand() throws IOException {}
Process p is Runtime.getRuntime () .exec ("ifconfig");.
InputStream stdoutStream = new buffer (p.getInputStream ());
StringBuffer buffer = new StringBuffer();
for (;) {
int c = stdoutStream.read ();
If (c ==-1) break;
buffer. Append ((Char) c);
}
String outputText = buffer.toString ();

stdoutStream.close ();

return outputText;
}
/*
* Windows stuff
*/
Private final public static String windowsParseMacAddress (String ipConfigResponse) throws ParseException {
String localHost = null;
try {}
localHost = InetAddress.getLocalHost () .getHostAddress ();
} catch (exception java.net.UnknownHostException ex) {}
ex.printStackTrace ();
throw new ParseException (ex.getMessage (), 0);
}
StringTokenizer tokenize = new StringTokenizer (ipConfigResponse, "\n");
String lastMacAddress = null;

{while (tokenizer.hasMoreTokens ())}
String line = tokenizer.nextToken (.trim ());

If the line contains the IP address
If (Line.EndsWith (localHost) & & lastMacAddress! = null) {}
Return lastMacAddress;
}

If the line contains the MAC address
int macAddressPosition = line.indexOf(":");
If (macAddressPosition < = 0) Then continues

String macAddressCandidate = line.substring (macAddressPosition + 1) .trim ();
{if (windowsIsMacAddress (macAddressCandidate))}
lastMacAddress = macAddressCandidate;
continue;
}
}

ParseException ex = new ParseException ("can not read MAC addresses from [" + ipConfigResponse + "]", 0);
ex.printStackTrace ();
throw ex;
}
{private static final boolean windowsIsMacAddress (String macAddressCandidate)
TODO: use a smart regular expression
If (macAddressCandidate.length ()! = 17) return false;

Returns true;
}
Private final public static String windowsRunIpConfigCommand() throws IOException {}
Process p is Runtime.getRuntime () .exec ("ipconfig/all");.
InputStream stdoutStream = new buffer (p.getInputStream ());

StringBuffer buffer = new StringBuffer();
for (;) {
int c = stdoutStream.read ();
If (c ==-1) break;
buffer. Append ((Char) c);
}
String outputText = buffer.toString ();

stdoutStream.close ();

return outputText;
}
}

Hello

There are a number of errors in your code. Here's the corrected version that works:


package oracle.forms.fd;
import java.net.InetAddress;
import java.io.InputStream;
import java.io.BufferedInputStream;
import java.io.IOException;
to import java.text.ParseException;
import java.util.StringTokenizer;
import java.applet.Applet;
Import oracle.forms.ui.VBean;
Import oracle.forms.handler.IHandler;
Import oracle.forms.properties.ID;

/ public final class AppletInfos extends kifani
{

private final static ID DIP = ID.registerProperty ("DIP");
private final static MAC ID is ID.registerProperty ("MAC");.
private final static GETINFOS ID is ID.registerProperty ("GETINFOS");.

private String some days in Paris ="";
private String sMAC = "";
Private boolean Arnaud = false;
public void init (Manager IHandler)
{
Super.init (Handler);
try {}
Some days in Paris = handler.getApplet () .getCodeBase () .getHost ();
sMAC = getMacAddress();
} catch (Throwable t) {}
t.printStackTrace ();
}
}
public Object getProperty (pId No.)
{
if(PID == GETINFOS)
{
Return "\nMAC address:" + sMAC.

}
else if(pId == DIP) return some days in Paris;
else if(pId == MAC) return sMAC;
Return super.getProperty (pId);
}

Private final public static String getMacAddress() throws IOException {}
The os string = System.getProperty ("os.name");
try {}
{if (OS. StartsWith ("Windows"))}
Return windowsParseMacAddress (windowsRunIpConfigCommand ());
}
else {if (os.startsWith ("Linux"))
Return linuxParseMacAddress (linuxRunIfConfigCommand ());
}
else {}
throw new IOException ("unknown operating system:" + os);
}
} catch (ParseException ex exception) {}
ex.printStackTrace ();
throw new IOException (ex.getMessage ());
}
}
/*
* Linux stuff
*/


Private final public static String linuxParseMacAddress (String ipConfigResponse) throws ParseException {
String localHost = null;
try {}
localHost = InetAddress.getLocalHost () .getHostAddress ();
} catch (exception java.net.UnknownHostException ex) {}
ex.printStackTrace ();
throw new ParseException (ex.getMessage (), 0);
}
StringTokenizer tokenize = new StringTokenizer (ipConfigResponse, "\n");
String lastMacAddress = null;
{while (tokenizer.hasMoreTokens ())}
String line = tokenizer.nextToken (.trim ());
Boolean containsLocalHost = line.indexOf (localHost) > = 0;
If the line contains the IP address
If (containsLocalHost & lastMacAddress! = null) {}
Return lastMacAddress;
}
If the line contains the MAC address
int macAddressPosition = line.indexOf ("HWaddr");
If (macAddressPosition<= 0)="">
String macAddressCandidate = line.substring (macAddressPosition + 6) .trim ();
{if (linuxIsMacAddress (macAddressCandidate))}
lastMacAddress = macAddressCandidate;
continue;
}
}
ParseException ex = new ParseException
("cannot read the MAC address for ' + 'from' localHost, 0);
ex.printStackTrace ();
throw ex;
}
{private static final boolean linuxIsMacAddress (String macAddressCandidate)
TODO: use a smart regular expression
If (macAddressCandidate.length ()! = 17) return false;
Returns true;
}
Private final public static String linuxRunIfConfigCommand() throws IOException {}
Process p is Runtime.getRuntime () .exec ("ifconfig");.
InputStream stdoutStream = new buffer (p.getInputStream ());
StringBuffer buffer = new StringBuffer();
for (;) {
int c = stdoutStream.read ();
If (c ==-1) break;
buffer. Append ((Char) c);
}
String outputText = buffer.toString ();

stdoutStream.close ();

return outputText;
}
/*
* Windows stuff
*/
Private final public static String windowsParseMacAddress (String ipConfigResponse) throws ParseException {
String localHost = null;
try {}
localHost = InetAddress.getLocalHost () .getHostAddress ();
} catch (exception java.net.UnknownHostException ex) {}
ex.printStackTrace ();
throw new ParseException (ex.getMessage (), 0);
}
StringTokenizer tokenize = new StringTokenizer (ipConfigResponse, "\n");
String lastMacAddress = null;

{while (tokenizer.hasMoreTokens ())}
String line = tokenizer.nextToken (.trim ());

If the line contains the IP address
If (Line.EndsWith (localHost) & lastMacAddress! = null) {}
Return lastMacAddress;
}

If the line contains the MAC address
int macAddressPosition = line.indexOf(":");
If (macAddressPosition<= 0)="">

String macAddressCandidate = line.substring (macAddressPosition + 1) .trim ();
{if (windowsIsMacAddress (macAddressCandidate))}
lastMacAddress = macAddressCandidate;
continue;
}
}

ParseException ex = new ParseException ("cannot read the MAC address of", 0);
ex.printStackTrace ();
throw ex;
}
{private static final boolean windowsIsMacAddress (String macAddressCandidate)
TODO: use a smart regular expression
If (macAddressCandidate.length ()! = 17) return false;

Returns true;
}
Private final public static String windowsRunIpConfigCommand() throws IOException {}
Process p is Runtime.getRuntime () .exec ("ipconfig/all");.
InputStream stdoutStream = new buffer (p.getInputStream ());

StringBuffer buffer = new StringBuffer();
for (;) {
int c = stdoutStream.read ();
If (c ==-1) break;
buffer. Append ((Char) c);
}
String outputText = buffer.toString ();

stdoutStream.close ();

return outputText;
}
}

Make sure:

(1) refer to your bean (implementation class) as: oracle.forms.fd.AppletInfos
(2) use the get_custom_property built-in for your info:
For example:
: B1. MAC: = Get_Custom_Property (' B1.) TEXTAREA', 1, 'MAC');
: B1. DIP: = Get_Custom_Property (' B1.) TEXTAREA', 1, 'DIP');
Please note that there is a property GETINFOS that was not declared in your code and added. You can change it if you wish.
(3) you must sign your jar file. Check the webutil on your developer installation directory for an example.

Hafed
www.degenio.com

Published by: mhafod on January 24, 2009 23:26

If you want to see the changes that I made, please make a diff. Thank you.

Tags: Oracle Development

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